Heater for plastic or polyvinyl chloride conduit



FIG. 1 is a left front perspective of a heater for plastic or polyvinylchloride conduit, showing our new design;

FIG. 2 is a front elevational view, thereof;

FIG. 3 is a rear elevational view, thereof;

FIG. 4 is a top plan view, thereof;

FIG. 5 is a bottom plan view, thereof;

FIG. 6 is a left end elevational view thereof;

FIG. 7 is a right end elevational view thereof; and

FIG. 8 is a front elevational view thereof, with the conduit supportsubframe in extended condition.

The representation of the piece of polyvinyl chloride conduit shown inbroken lines in FIG. 8 is included solely for purposes of illustration,and forms no part of the claimed design.

The ornamental design for a heater for plastic or polyvinyl chlorideconduit, as shown and described.